Directional Coupler
50Ω
Maximum Ratings
Operating Temperature
Storage Temperature
Coaxial
ZFDC-10-5
1 to 2000 MHz
-55°C to 100°C
-55°C to 100°C
Features
• very wideband, 1 to 2000 MHz
• excellent directivity, 30 dB typ.
• rugged shielded case
BNC version shown
CASE STYLE: K18
Connectors Model
BNC
ZFDC-10-5
SMA
ZFDC-10-5-S
N-TYPE
ZFDC-10-5-N
BRACKET (OPTION"B")
Price
$84.95
$89.95
$89.95
$2.50
Qty.
(1-9)
(1-9)
(1-9)
(1+)
Coaxial Connections
INPUT
OUTPUT
COUPLED
1
2
3
Applications
• cellular
• instrumentation
• communication receivers & transmitters
• GPS
Directional Coupler Electrical Specifications
Outline Drawing
FREQ.
RANGE
(MHz)
f
L
-f
U
1-2000
COUPLING
(dB)
L
Nom.
10.8±0.5
Flatness
±0.5
MAINLINE LOSS
1
(dB)
M
U
L
DIRECTIVITY
(dB)
M
Min.
25
Typ.
30
Min.
18
Typ.
22
U
Min.
18
VSWR
(:1)
POWER
INPUT
(W)
L
MU
Max.
0.5
Max.
0.5
Typ. Max. Typ. Max. Typ. Max. Typ.
1.2
1.9
1.2
1.8
1.8
2.5
38
Typ.
1.3
L = low range [f
L
to 10 f
L
]
M = mid range [10 f
L
to f
U
/2]
U= upper range [f
U
/2 to f
U
]
1. Mainline loss includes theoretical power loss at coupled port.
Typical Performance Data
Frequency
(MHz)
1.00
40.00
80.00
260.00
600.00
H
1.000
25.40
Mainline Loss
(dB)
In-Out
1.47
1.13
1.12
1.20
1.19
1.19
1.31
1.34
1.33
1.59
Coupling
(dB)
In-Cpl
11.03
10.71
10.70
10.78
10.77
10.73
10.81
10.96
11.08
11.68
Directivity
(dB)
47.08
49.57
47.38
39.74
31.82
26.87
25.29
23.98
22.06
19.78
In
14.55
18.26
18.32
18.61
18.79
18.84
18.83
18.70
17.99
16.91
Return Loss
(dB)
Out
18.01
30.69
30.20
27.02
22.14
19.38
18.76
17.75
15.32
12.53
Cpl
18.03
31.26
30.46
25.80
19.98
15.98
14.75
13.90
13.15
12.52
Outline Dimensions (
inch
)
mm
A
1.25
31.75
B
1.25
31.75
C
.75
19.05
D
.63
16.00
E
.38
9.65
F
1.00
25.40
G
.125
3.18
J
--
--
K
--
--
L
.125
3.18
M
1.688
42.88
N
2.18
55.37
P
.75
19.05
Q
wt
.07 grams
70.0
1.78
1050.00
1300.00
1550.00
1800.00
2000.00
ZFDC-10-5
MAINLINE LOSS
2.0
MAINLINE LOSS (dB)
1.6
1.2
0.8
0.4
0.0
0
400
800
1200
FREQUENCY (MHz)
1600
2000
at RF level of -10 dBm
ZFDC-10-5
COUPLING & DIRECTIVITY
60
COUPLING & DIRECTIVITY
(dB)
50
40
30
20
10
0
0
400
800
1200
FREQUENCY (MHz)
1600
2000
at RF level of -10 dBm
COUPLING
DIRECTIVITY
ZFDC-10-5
RETURN LOSS
40
RETURN LOSS (dB)
34
28
22
16
10
0
400
800
1200
FREQUENCY (MHz)
1600
2000
at RF level of -10 dBm
electrical schematic
CPL
IN
OUT
Mini-Circuits
ISO 9001 ISO 14001
CERTIFIED
RF/IF MICROWAVE COMPONENTS
®
minicircuits.com
REV. OR
M93827
ZFDC-10-5
WZ/TD/CP
070315
EW
ALL N
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 For detailed performance specs & shopping online see Mini-Circuits web site
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